/Engine/Source/Runtime/RHI/Public/RHICommandList.h
struct FRHICommandSetStreamSource : public [FRHICommand< FRHICommandSetStreamSource, FRHICommandSetStreamSourceString__LINE__ >](API\Runtime\RHI\FRHICommand)
uint32
Offset
uint32
StreamIndex
FRHIBuffer*...
VertexBuffer